.wh-assistant-widget {
    position: fixed;
    right: 24px;
    bottom: 24px;
    z-index: 10050;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 12px;
    font-family: inherit;
}

.wh-assistant-fab {
    width: 62px;
    height: 62px;
    border: 0;
    border-radius: 50%;
    background: #111827;
    color: #fff;
    display: grid;
    place-items: center;
    box-shadow: 0 18px 38px rgba(17, 24, 39, 0.28);
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.wh-assistant-fab:hover {
    transform: translateY(-1px);
    background: #0b0f19;
    box-shadow: 0 22px 44px rgba(17, 24, 39, 0.36);
}

.wh-assistant-fab:focus-visible,
.wh-assistant-close:focus-visible,
.wh-assistant-chip:focus-visible,
.wh-assistant-send:focus-visible,
.wh-assistant-form textarea:focus-visible {
    outline: 3px solid rgba(59, 130, 246, 0.35);
    outline-offset: 2px;
}

.wh-assistant-mark {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0;
}

.wh-assistant-panel {
    position: absolute;
    right: 0;
    bottom: 74px;
    width: min(400px, calc(100vw - 24px));
    max-height: min(540px, calc(100vh - 104px));
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(14px) scale(0.98);
    border: 1px solid rgba(15, 23, 42, 0.08);
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 24px 56px rgba(15, 23, 42, 0.18);
    transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.wh-assistant-widget.is-open .wh-assistant-panel {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

.wh-assistant-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 18px 14px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    background: #ffffff;
}

.wh-assistant-eyebrow {
    display: block;
    font-size: 12px;
    line-height: 1.2;
    color: #6b7280;
    font-weight: 600;
}

.wh-assistant-title {
    margin: 4px 0 0;
    font-size: 17px;
    line-height: 1.2;
    font-weight: 800;
    color: #111827;
}

.wh-assistant-close {
    width: 32px;
    height: 32px;
    border: 0;
    border-radius: 999px;
    background: #eef2ff;
    color: #3b82f6;
    font-size: 26px;
    line-height: 1;
    font-weight: 300;
    flex: 0 0 auto;
}

.wh-assistant-thread {
    flex: 1;
    overflow: auto;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.wh-assistant-bubble {
    max-width: 100%;
    border-radius: 16px;
    padding: 12px 14px;
    font-size: 14px;
    line-height: 1.7;
}

.wh-assistant-bubble p {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.wh-assistant-bubble--assistant {
    background: #f8fafc;
    color: #334155;
    border: 1px solid rgba(148, 163, 184, 0.18);
}

.wh-assistant-bubble--user {
    margin-left: auto;
    background: #1d4ed8;
    color: #fff;
}

.wh-assistant-suggestions {
    padding: 0 18px 14px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.wh-assistant-chip {
    border: 1px solid rgba(59, 130, 246, 0.18);
    border-radius: 999px;
    background: #eff6ff;
    color: #1d4ed8;
    padding: 7px 12px;
    font-size: 13px;
    line-height: 1;
    transition: background 0.18s ease, transform 0.18s ease;
}

.wh-assistant-chip:hover {
    background: #dbeafe;
    transform: translateY(-1px);
}

.wh-assistant-form {
    padding: 0 18px 18px;
    display: grid;
    gap: 10px;
}

.wh-assistant-form textarea {
    width: 100%;
    min-height: 88px;
    resize: none;
    border-radius: 16px;
    border: 1px solid rgba(148, 163, 184, 0.28);
    background: #ffffff;
    padding: 12px 14px;
    color: #111827;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.75);
}

.wh-assistant-send {
    justify-self: end;
    min-width: 92px;
    height: 38px;
    border: 0;
    border-radius: 999px;
    background: #1d4ed8;
    color: #fff;
    font-weight: 700;
    box-shadow: 0 10px 24px rgba(29, 78, 216, 0.22);
}

@media (max-width: 767px) {
    .wh-assistant-widget {
        right: 16px;
        bottom: 16px;
    }

    .wh-assistant-fab {
        width: 56px;
        height: 56px;
    }

    .wh-assistant-panel {
        width: min(calc(100vw - 16px), 380px);
        bottom: 72px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .wh-assistant-fab,
    .wh-assistant-panel,
    .wh-assistant-chip {
        transition: none;
    }
}